Home / 18,493.13-25,520.51-10,109.63

Finding the Fourth Proportional to 18,493.13, 25,520.51 and 10,109.63

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Solution

The fourth proportional to 18,493.13, 25,520.51 and 10,109.63 is: 13,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.13 : 25,520.51 = 10,109.63 : x
  2. Step 2: Convert to fraction form
    18,493.13/25,520.51 = 10,109.63/x
  3. Step 3: Cross multiply
    18,493.13x = 25,520.51 × 10,109.63
  4. Step 4: Simplify right side
    18,493.13x = 258,002,811.18
  5. Step 5: Solve for x
    x = 258,002,811.18/18,493.13
  6. Step 6: Final answer
    x = 13,951.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.